package com.vlin.api.util;

public abstract class StringUtils {

	public static boolean isNull(String value) {
		
		return value == null ;
	}
	
	public static boolean isBlankSpace(String value) {
		
		if(value == null) {
			return true;
		}
		for(char c : value.toCharArray()) {
			if(c != ' ') {
				return false;
			}
		}
		return true;
	}
}
